Auto Parts Search
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Chevrolet Express 2500 car and truck
repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 2003 Chevrolet Express 2500 automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2003 Chevrolet Express 2500
- 2003 Chevrolet Express 2500 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:X
- 2003 Chevrolet Express 2500 4.8 V8 GAS, CID:294, Fuel Injection, Aspiration:294, Engine VIN:, Desg:V
- 2003 Chevrolet Express 2500 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:T
- 2003 Chevrolet Express 2500 6.0 V8 GAS, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
- 2003 Chevrolet Express 2500 6.0 V8 CNG, CID:364, Fuel Injection, Aspiration:364, Engine VIN:, Desg:U
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 2003 Chevrolet Express 2500 4.8 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
Component Replacement & Adjustment -> Express & Savana -> Expansion Tube (Orifice), Replace
Vehicle: 2003 Chevrolet Express 2500 4.8 V8 GAS
- Recover refrigerant as outlined in .
- Remove nut and evaporator tube using orifice tube remover and installer tool No. J-26549-E, or equivalent.
- If expansion tube is stuck perform proceed as follows:
- Remove as much of impacted residue as possible.
- Apply heat with suitable heat g...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
General Service Domestic Vehicles -> 2003-04 -> Refrigerant Recovery
Vehicle: 2003 Chevrolet Express 2500 5.3 V8 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
R-12 recovery stations cannot be used on R-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycling station...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
General Service Domestic Vehicles -> 2003-04 -> Oil Charge -> Alero & Malibu -> Bonneville, LeSabre & Park Avenue -> Caravan, Town & Country & Voyager -> Catera -> Cavalier & Sunfire -> Century -> Cherokee, Dakota, Full Size Pickups, Grand Cherokee & Wrangler -> Corvette -> DaimlerChrysler Corp. -> DeVille & Seville -> Eldorado -> Except Lincoln LS -> Except Tracker -> Ford Motor Company -> Full Size & Ram Vans -> General Motors Corp. -> Geo Tracker -> Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> L-Series -> Liberty -> Light Trucks & Vans -> Lincoln LS -> Metro -> Passenger Cars -> Prizm -> PT Cruiser -> S-Series -> Saturn -> VUE
Vehicle: 2003 Chevrolet Express 2500 4.8 V8 GAS
DaimlerChrysler Corp.
Passenger Cars
Before installing replacement compressor, drain oil from replacement and failed compressors (drain oil from suction port). Add same amount of oil to replacement compressor as drained from failed compressor.
Remove defective components. Add the proper amount of oil to each replacement component. Most recovery/recycling equipment will measure the amount of oil being removed. This is the amount of oil to be added back to the system, follow manufactures instructions provided with the recovery/recycling station.
When other ai...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
Drive Belt Data -> Domestic Light Trucks & Vans -> 2003-04
Vehicle: 2003 Chevrolet Express 2500 4.3 V6 GAS
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 Chevrolet Express 2500 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 2003 Chevrolet Express 2500 cars and light trucks from 1990+
Computer Relearn Procedures -> General Motors Corp. -> 1997-98 -> 1998-2000 -> 1998-99 -> 1999-2001 -> 1999-2002 -> 2.2L & 2.4L Engines -> 2000-02 -> 2000-04 -> 2001-02 -> 2001-04 -> 3.1L, 3.4L, 3800/3.8L, 4.0L & 4.6L Engines -> 3.5L Engine -> 5.7L Engine -> Achieva, Alero, Grand Am & Skylark -> Achieva, Cavalier, Skylark & Sunfire -> Alero & Grand Am -> Alero & Malibu -> Aurora -> Aurora, Bonneville, DeVille, LeSabre & Seville -> Aurora, Bonneville, Grand Prix, LeSabre & Park Avenue -> Auto Learn Passlock Procedure -> Body Control Module (BCM) -> Bonneville -> Bonneville, Eighty Eight, LeSabre, LSS & Park Avenue -> C & K Series w/Diesel Engine -> C & K Trucks w/Diesel Engine -> Camaro & Firebird -> Catera -> Cavalier & Sunfire -> Century -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Century, Impala, Intrigue, Monte Carlo & Regal -> Corvette -> Crankshaft Position System Variation Learn -> Cutlass & Malibu -> Dash Integration Module (DIM) -> DeVille -> DeVille, Eldorado & Seville -> EEPROM -> Eldorado -> Engine Control Module (ECM) -> Engine Performance -> Except Park Avenue -> Grand Am -> Grand Prix & Regal -> Impala & Monte Carlo -> Instrument Panel Integration Module (IPM) -> Intrigue -> LeSabre -> Less Tech 2 Or Techline Terminal -> Light Truck & Vans -> Park Avenue -> Passenger Cars -> Passkey Module -> Passlock Learn Procedure -> PCM -> Powertrain Control Module (PCM) -> Powertrain Control Module (PCM) & Vehicle Control Module (VCM) -> Rear Integration Module -> Riviera -> Seville -> T50/T60/T20+ -> TDC Offset Adjustment -> Theft Deterrent System Programming -> VCM -> With Tech 2 -> With Techline Terminal & Scan Tool
Vehicle: 2003 Chevrolet Express 2500 4.3 V6 GAS
Passenger Cars
Body Control Module (BCM)
Alero & Grand Am
This procedure must be performed if the BCM, Passlock sensor or PCM is replaced. If BCM is not properly programmed, it will not control all the features properly.
- Ensure battery is fully charged and ignition switch is in the ON position.
- Connect a suitably programmed Tech II, or equivalent, scan tool to Data Link Connector (DLC).
- Access scan tool "Special Functions" menu and follow scan tool instructions to program BCM.
- If BCM fails to accept the pr...
CLICK HERE TO GET FULL ACCESS TO 2003 Chevrolet Express 2500 A/C & HEATER SERVICE PROCEDURES
Shop online for auto body parts, engines, wheels, lights...
| More parts |
| Get the Complete Technical Service Bulletins! |
 Access diagrams and repair information such as wiring diagrams,
diagnosis and repair charts, manufacturer
service bulletins, and OEM Part
numbers of your 2003 Chevrolet Express 2500 vehicle.
|
| Access the Complete guide! |
